We are looking for volunteers to take part in a study looking at the use of different COVID-19 vaccines and doses when given as a third or fourth dose. This study is being run by Northwick Park Hospital, and is sponsored by University Hospital Southampton NHS Foundation Trust.

You may be eligible to take part in the study if you: Are aged 18-30 years old Received 2 or 3 doses of BNT162b2 (Pfizer) or mRNA-1273 (Moderna) and are at least 6 months (180 days) since your last dose. We will provide reimbursement up to £225 for your time, inconvenience, and travel (depending on the total number of visits you attend).

The total study participation time is up to 8 months. If you are interested in finding out more, please visit our website: https://www.covboost.org.uk/participate-nwp-substudy

You can also complete the pre-screening questionnaire to see if you will be eligible. If you would like any further information regarding the study, please contact us on:

Email: lnwh-tr.vaccineresearch@nhs.net

Tel: 020 8869 5446